Bitzer CM-RC-01 Instructions De Service page 9

If subsequently mounting the prism unit of the oil monit-
oring:
NOTICE
!
!
Risk of refrigerant loss!
Check the thread.
Carefully screw the new component in and
tighten it to the prescribed tightening torque.
Perform a tightness test before commissioning!
Mounting the prism unit
Preferably mount the enclosed prism unit, before the
compressor is mounted to the system.
• Tilt the compressor by lifting it up at the bottom of
the bearing cover in order that the oil in the oil
pocket of the bearing cover cannot drain through the
connecting bore.
KW-233-1
• Screw the screw (M20x1,5) onto the bearing cover
and thoroughly clean the threaded bore.
• Check the inside and outside of the glass cone of the
prism unit for cleanliness and clean, if required.
• Screw the prism unit with metal gasket into the bear-
ing cover. Tightening torque 75 Nm.
• Perform a tightness test:
DANGER
Risk of bursting due to excessive pressure!
The pressure applied during the test must never
exceed the maximum permitted values!
Test pressure: 1.1-fold of the maximum allow-
able pressure (see name plate). Make a distinc-
tion between the high-pressure and low-pres-
sure sides!
Mounting the opto-electronic unit
NOTICE
!
!
Risk of compressor failure!
Possible failure of the protection device
due to penetrating moisture!
Ensure that the cable connection always
faces down!
• Carefully insert the opto-electronic unit into
the prism unit up to the stop.
• Tighten the union nut of the opto-electronic
unit by hand.
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